(CIVICSE/ECE/EEEI INF/MEC-I0lll) B.Tech. DEGREE (Supplementary) RXAMINATION,

FEBRUARY 2017.

First Year - Semester

Paper I: MNI'IIEMATICS - I

(Regulation 2011-2012)

Time: Three hours Maximum: 70 marks

Answer ALL questions.

UNIT I

1.

(a)

Find the rank of the following matrix using

(b)

Solve the following system of equations by

2 1 -3 -6j normal form where k= :1 - 3 1 2. [1 1 1 2 Gauss elimination method. 2x + Y + Z 3x + 2y + 3z = 18, x + 1y + 9z =c 16.

= 10,

Or (c)

the quadratic form z Gx ;- :l.l + 3z - 2yz j 1zx - 4xy to a 'sum of squares'. Also write the index and signature. Reduce 2

UNIT IV

UNIT II

2.

(a)

Solve dy = sin(x + y) -t cos(x + y) elx

(b)

Solve ely

:=

xe'

x' ,

if y

= 0

when x

dx

4.

~ O.

Form the partial differential equation by Eliminating arbitrary function z ~c /(xyjz).

(b)

Solve p tan x + qtan y

=, tan z.

Or

Or (e)

(a)

Find the orthogonal trajectories of the family of confocal and coaxial parabolas r := 2a/(1 + cos 0) .

O~ : j z

(0)

Solve

(d)

Solve (p2i q 2)Y

;iz

') - - .­

ux:!

~ ux

2uy

2

=

e

2x

')x~y

I "

.

~ qt .

UNIT V (d)

~ ') d~ d Solve x- --') + 2x _Z dxdx

'

12y --' x,llog x .

UNIT III

:1.

(a)

Solve (Uj~.J))y=2x+1+1eosx+~ex.

(b)

Using the method of variation of parameters,

5.

(a)

Prove that fJ(m,n) =

(b)

I~xpress

I'(TIl )l'(n) J'(m + n)

.

the following integral in terms of

"'fx'~dX. .x

gamma function,

0(.

solve

Or

d~

--? - y = 2/(1 + eX). £Ix

Prove that

]

Or ~ d~y

--~

ely + x -'- I Y

(c)

Solve x

(d)

Solve--.) ·~y=e +x e . dx­

,

dx

d~y

cc

dx

x

2

2elx fb o I

(e)

. log x. sm(log x) .

~ x

(CIV/CSEIECE/EEEI INF/MEC-101ll)

(d)

X"

I

x

0

H

dx

f~ ]+x"

=

r:; . U""Z

Show that (i)

er/(x) ~. er/( - x) -c 0 and

(ii)

er/c (x ) + er/

(- x ) = 2 .

:~

(CIV/CSEIECE/EEEI INF/MEC-10ll 1)

(c)

(d)

factoril'.ation method to solve the sim ult.aucous equations lOx+.Y+z-11.1!), x j 1OYI Z ... 28.08, - x !' Y + 1Oz ~ :~5.61 correct to two decimal places (perform three iterations)

(CIV/CSEIECE/EEEI

Usc

Solve Yn ~ I

-­

the

difference

INF/MEC-I0211) B.Tech.

(a)

tty,,, I -+:~.Y n == 511. .

First Ycar Paper TT -

v(n. .

V

2.)r == ~~(A. R)r n(8. R) _. Ar:./3

where

Time: Three hours

Guesis theorem for 2 H(xy + y 2 )dX + x dy ], where C is bounded by

UNITl

Verify

y'" x and y == x

Maximum: 70 marks

Answer ALL questions.

1.

(a)

i: 2

(b)

State Gauss divergence theorem and verify for tho function F =' yi + xj + Z2J? over the cyclindrical region bounded by x 2 + y2 == 9, z =' 0 and z'-' 2.

1

SUIte Rolle's theorem and verify it for the function f(x) =' sm x in (0, Jr) . eX

.

Or (c)

MATHEMATICS-Ii

l

A and 13 arc constant vectors. (b)

Semester

(Regulation 2011-2012)

Prove that

if.

EXAMINATION, FEBRUARY 2017

(Supplementary)

equation

UNIT V 5.

I)EGHEI~

(CIV/CSEIECE/EEEI

INF/MEC-I0211)

Find the maxima and minimum values of ~h~ - 2x 3 - 6x 2 + 6x + 1 in the interval (0, 2). Or

(c)

State Bauchy's mean value theorem and verify jf for the Functions sinx and cosx in the interval [a, b].

(d)

Find minimum value of x 2 + y2 + Z2 given that. ax I by -+ cz := p.

(c)

UNIT 11

Find the rank correlation coefficient to the following data:

5 x'

2.

(a)

(b)

Evaluate f fx(x 2 + y2}dx ely. o0

Find by double integration the area lying inside the circle r =c asinO and outside the cardioid r -= aO -- cosO). Or

x:

56

42

72

:36

G:3

y :

117

125

160

118

Itt!) 128

x:

55

1\9

:~8

tt2

()8

60

y:

150

1t15

115

1'10

]52

155

Obtain

the

equations

47

I/O 2.JrU

(c)

f f dy dx

Evaluate

(d)

hy changing order of

o x'/1IJ

the estimate of x for y

e logye'

Evaluate f f flogz dz dx dy. l

l

(a)

(b)

lines

of

x:

6':o

6G 67

y:

67

68

c~

(;7 68

70 . 69

70 72

J

UNIT III

:l.

two

regression for the following data. Also obtain

integration. (d)

of

x:

1.0

1.5 2.0

y:

1.]

1.3

parabola

degree

Fit the second following data:

3.5

4.0

2.7 3.4

4.1

2.5 3.0

1.6 2.0

to

65 G8

1\.

(a)

78

89

97

69

59

79

68

57

y:

125

]37

156

112

107

138

123

]08

71

Find by Newton-Raphson method root of the equation x:J - 4x ~- 9

x:

72 69

UNIT IV

the

Calculate the correlation coefficient for the following data:

72

(b)

UIoiC

Gauss

simultaneous

sicdal

=

O. method

equations

to

solve

20x + y - 2z

the =c

17;

;h + 20y - z:c 18; 2x - 3y + 20z = 25. Or

Or 2

(CIV/CSEIECE/EEEI

INF/MEC-I0211)

3·

(CIV/CSEIECEIEEEI

INF/MEC-I0211)

(CIV/CSE/ECE/EEEI INFIMEC-I0611)

UNITV

9.

(a)

Write a program to find the length of a string which is given through command prompt.

(b)

Write a program that reads a character file and encrypts it by replacing each alphabet by its next alphabet cyclically is z is replaced by 'a'. Non-alphabets in the file arc retained as they arc. Write the encrypted text into another file.

B.Tech. DEGREE EXAMINATION, FEBRUARY 2017.

(Supplementary)

First Year - Semester

Paper VI -

'c'

(Regulation 2011-12)

Or 10.

COMPUTEH PROGRAMMING WITH

(a)

List out any six string handling library function and explain each with an example.

(b)

Explain file error handling functions with example.

Maximum: 70 marks

Time: Three hours

Answer ONE question from each Unit.

UNIT I 1.

Explain the following: (a)

Character arrays and pointers

(b)

Initialization of variables

(c)

Increment and decrement operations. Or

2.

1

(CIV/CSE/ECE/EEEI

INF/MEC-I0611)

Explain in detail about the preprocessor directives and input/output functions and other library functions.

s.

UNIT II :3.

(a) (b)

(a)

0('

a grven number and image of a given

Write a program to read and sort an array if "n" elements using bubble sort.

number. (b)

What is the difference between while, for and do-while constructs in C? Explain in detail.

What is meant by storage class? Explain with an example, the working of external variable.

Or 1.

Write a programming for sum of the digits

In an examination of 1000 marks, if a student scores 700 marks or more, the distinction grades shall be awarded. Similarly more than 599 and less than 700 marks, first class, more than 499 and less than 600, second class and for other pass students third class in awarded. Write a C program using (a) multi-way decision and (b) switch statements.

UNIT IV 7.

(a)

Write a recursive program to find the a.C.D of the given number.

(b)

What is union? How docs it differ from a structure? For what kinds of applications unions are useful?

UNIT III

Or 5.

(a) (b)

Write a sample C program to demonstrate the call-by-reference mechanism. Clearly differentiate between function prototype, function declaration and function definition with examples.

8.

(a)

Write a note on structure, union and enum. Explain with an example.

(b)

Write a C program using nested students to store and details of students.

Or 2

(CIV/CSEIECE/EEEI INF/MEC-I0611)

3

(CIV/CSE/ECE/EEEI

INFIMEC-I061l)

(CIV/CSE/ECEIEEEI

INFIMEC-I0711) B.Tech. DEGREE EXA..i\IINATIOK, FEBRUARY 2017.

(Supplementary)

First Year - Semester

Paper \111 -

ENGINEERING MECHAJ."\JICS

(Regulation 2011-12)

Time : Three hours

Maximum: 70 marks

Answer ONE question from each Unit.

UNIT I

1.

(a)

The following forces (all pull) act at a point:

() .i

25 N due north;

(ii)

10 N North-East;

(iii)

15 N due East;

(iv) 20 N 30° East of south ; (v)

30 N 60° South of

w-«.

Find the resultant force. What angle does it make with East? (b)

(7) (7)

State and prove Lamis theorem. Or

2.

Two identical rollers, each of weight Q = 100 N are supported by an inclined plane and a vertical wall as shown in figure below. Assuming smooth surfaces, find the reactions induced at the point of support A, B, C.

(1-1)

UNIT II

3.

Two block of weights 'VI (50 N) and VV2 (50 N) rest on a rough inclined plane and are connected by a short piece of string as shown in figure below. If the coefficient of friction are PI

= 0.2 and

)12

= 0.3 , respectively find the angle of inclination of the plane for which sliding

will impend.

(14)

Or -1.

Determine the forces in each member of the loaded truss by method of joints.

(14)

UNIT III c).

Find Ixx and Iyy for the unequal angle section 12.5

x

9.5

total mass of the plate is 75 kg.

x

1 ern shown in figure below, if the (14)

....,1..

~

Or 2

(CIV/CSEIECEIEEEI

INFIMEC-I0711)

6.

(a)

Determine the centroid of T -section with the following dimensions.

(12)

...-- j2.c.lIl----.l .....

3Cl11

t 1 (b)

What is the difference between centroid and centre of gravity?

(2)

UNIT IV I.

A stone is thrown vertically upwards with a velocity of 19.6 mls from the top of a tower 24.5 m high. Calculate (a)

Time required for the stone to reach the ground.

(b)

Velocity of the stone in its downward travel at the point in the same level as the point of projection.

(c)

The maximum height to which the stone will rise in its flight.

Or 8.

A cage descends a mine shaft with an acceleration of 1 m/s-, After' tho cage has rJ.'3velleu 30 m, stone is dropped from the top of the shaft. Determine: (a)

the time taken by the stone to hit the cage, and

(b)

distance travelled by the cage before impact.

uNIT V 9.

Derive the general equation for projectile motion and show the path of a projectile is to be parabolic. (14)

Or 10.

(a)

Derive the expression for equation of motion for rigid body rotating about a fixed axis. (7)

(b)

A wheel of a motor car rotating with constant acceleration makes 40 revolutions during its 4t h second. Find the initial angular velocity of the wheel. The constant angular acceleration of the wheel is 9.8 rad/s", What will be the linear velocity of wheel after 4 t h second, if its diameter is 80 em? (7)

3

(CIV/CSEIECEIEEEI

INFIMEC-I0711)

10.

For a given isomot.ric view, draw its front view, top view and side view.

(CSE/ECEIINF 10811) B.Tech.

DEGIU~E

EXAMINATION, FEUlUJARY 2017. (Supplementary)

0'] 00', j

First Year ­

0"

i

~_, . ;w:-..~"

.r"

't"'-j I

Semester

I

Paper VIII - ENGINEERING GRAPHICS

~L_

(Regulation 20 ll-12)

~l (~

(;!

/>---._­

Time: Three hours

Maximum: 70 marks

i:>

Answer ALL questions .

./

UNIT I 1.

The foci of an ellipse is ~}O mm and minor axis is 65 m m long. Find the length of the major axis and draw the ellipse. Draw the tangent tot the ellipse (It a point on it 25 rn m from major axis. Or

2.

4 (CSE/ECEIINF 10811)

A circle of 50 mrn diameter rolls along a straight line without slipping. Draw the curve traced out by a point on circumference for complete revolution of the circle. Draw a tangent and normal to the curve at a point on it 40 mrn from the line.

UNIT II

:3.

UNIT IV

The top view of a 75 mm long line AB measures

7.

G5 mrn, while its length of its front view is

50 mm its one end A is in IJ.P. and 12 mm in front of V.P. draw the projections of AB and determine its inclinations with IJ.P. and V.P.

Or

Or 1.

8.

~WO

to"

the II./>. and a side parallel to H.P and inclined

GO° to V.P.

UNITV UNIT III

5.

A cone, base 75 mm diameter and axis 80 mm long

is resting on its base on BY. it is cut by section plane perpendicular to V.P. inclined at 15° to I-J.P. and cutting the axis at a point 35 mm from the apex. Draw the development of retained portion of a cone.

Draw the projections of a regular pentagon of 40 mm side, having its surface is inclined at

A cylinder of tlO nun diumoter, GO m m height having its axis vertical, is cut by section plane perpendicular to V.P., inclined 45° to H.P. and intersecting the axis :32 m m above the base. Draw its front view, section top view and true shape section.

9.

For a given isometric view, draw its front view, top view and side view.

Draw the Projection of cone, base 75 mm diameter and axis 100 mm long, lying on the H.P. on one of its generators with axis parallel to V.P.

Or 6.

A cube of 25 mm long edges resting on H.P. on one of its corners with solid diagonal perpendicular to V.P. draw its projections.

2 (CSE/ECE/INF 10811)

70<

/"

Or

3 (CSE/ECEIINF 10811)

(CIV/ECE/EEE/CSE/INF/MEC 21111)

(c) Obtain the value of t when A = 85 from the following table, using Lagrange's method. t:

2

5

8

·14

A:

91.8

87.9

81.3

68.7

B.Tech. DJ£GREE EXAMINATION, FEBRUARY 20] 7.

(Supplementary)

(d) Find the first two derivatives at x the following data: x: y:

1.0 0

1.2 0.128

1.4

1.6

0.541

].296

1.8 2.432

=

1.1 from

Paper I -

2.0 4.0

(a) Evaluate using Simpson's

t. rd

x

G

.

y(1.1)

and

rule I" ~x. Jo 1 +x

y(1.2),

MATHEMATICS III

Time: Three hours

gives

Maximum: 70 marks

Answer Question No.1 Compulsory.

Answer ONE question from each Unit.

(b) Solve by Taylor's series method the equation

dy = log(xy) for dx . y(l) = 2.

First Semester

(Regulation 2011-2012)

UNIT IV 5.

Second Year -

1.

(a) Write the Fourier series of the function

{(x)

is

(a,a+2n). Or

(b) State Dirichlet's conditions.

(c) Apply Runge-Kutta method of order 1 to find an approximate value of y when x = 0.2 given

(d) State Parseval's formula for Fourier series.

dy that - = x + y and y = 1 when x = O. dx

(e) Define Linear property of Fourier transform.

(d) Find the value of y when x = 0.1 by Picard's method, given that dy = x 2 + y2 ,y(O) = dx

(c) Define half range cosine series.

o.

(f)

Define Fourier Sine transform.

(g) Write the relation between I\.,V and s . (h) Write Newton's formula.

1

(CIV/ECEIEEE/CSEI

INFIMEC 21111)

backward

interpolation

(i)

Evaluate

;\2

(ar)

UNITII

,:3 · U) ..State ..SImpson s -

th

8

1

ru e.

:3.

(a) Find the' Fourier transform of

(b) Find the Fourier sine transform of _e_. x

Or

(m) Write the standard 5-point formula for a square mesh.

(c)

Find the Fournier integral representation for

f(x) =

(n) What is the Kernal of Fourier transform of e" .

=

Fourier series. 1 1 1 - + - + - + ... l.:~ 3.5 5.7

< x < 2J[

Hence

a evaluate

obtain Fourier series

series

for

2

~)dl

=-'-2 .

2

a

(a) Using Newtons forward interpolation formula, find the value of f(1.85,) given the following table. x:

((x): e" in

f(x) = x 2

In

J[.

2

1.

8

O
o :S: x :S:

(

ula +l"

J[2

=­

(c) Find the half range sine series for Fourier

J[ l-e a'

"'f sinal

In

UNIT III

1 1 1 and deduce that - 2 + - 2 + - + ... 1 3 52 Or

(d) Obtain

for x:S: 0, a > 0 forx ~ 0 a < 0

(d) Using Parseval's identities, prove that

-,/1- cosx,O

(b) If f(x) = /xl,-J[ < X < J[,

{ear, ear,

UNIT I f(x)

10

-ar

Classify the equation

(a) Expand

.a < O.

Hence deduce that e " / 2 is self reciprocal respect of Fourier transform.

(x+l)u;;(x+2)ury +(x+3)u yy =0.

2.

1

r

(k) Define Runge's method. (I)

~

ear

(CIVIECEIEEE/CSEI

INFIMEC 21111)

1.7 5.474

1.8 6.050

. 1.9 6.686

2.0 7.389

2.1 8.166

2.2 9.025

2.3 9.974

(b) Find ((22) form the Gauss forward formula

x:

((x)

20 354

25 332

30 291 Or 3

35 260

40 231

45 204

(CIV/ECEIEEE/CSEI INF/MEC 21111)

(ECEIEEE-021211)

B.Tech. DEGREE EXA...l\IINATION, FEBRUARY 2017.

(Supplementary)

Second Year - First Semester

CIRCUIT THEORY

(Regulation 2011-2012)

Time: Three hours

Maximum: 70 marks Answer Question No.1 compulsorily. Answer ONE question from each Unit.

1.

(a)

Why inductor does not allow sudden changes in current and capacitor docs not allow sudden changes in voltage.

(b)

Find RMS value for the given equation. V(t) = 4 + 6sin25t + 5cos 2(25t).

(c)

State Norton's theorem.

(d)

Why series resonant circuit is called ACCEPTOR circuit whereas parallel resonant

circuit is called REJECTOR circuit? (e)

Find Fe at t = 0- for the given circuit.

8A

(f)

Using Source Transformation, reduce the network between A and B into an equivalent voltage source.

(g)

What is importance of quality factor in resonant circuits?

UNIT I

2.

(a)

Find EQuIVALENT RESISTAL"JCE between A and B terminals for the given network.

(7)

SIL

-==)

Bo-.IV'V\A,L.-L..~...::J----l (b)

(7)

Find Node Voltages in the given circuit

Or :3.

For the graph shown, select a suitable tree and obtain tie Set Matrix and Cut Set Matrix. Also, write equations for branch voltages and branch currents. (5 + 5 + 2 + 2)

UNIT II 4.

(a)

Find iL using Super position theorem in the given circuit

(7)

9V

2

(ECEIEEE-21211)

(b)

Determine THEVENIN'S and NORTON'S EQUIVALENT of the circuit shown across A and B terminals. (7)

Or o.

(a)

Find RMS value of the following waveform.

(b)

In the circuit shown, if 5-ohm resistance is changed to 2 ohms, find the change in VL. (6)

­

(8)

'---_..&--_-­ UNIT III

6.

(a)

In the circuit shown, when 220 V AC is applied across A and B, current drawn is 20 A and power input is 3000W. Find the value of Z and its parameter. (4) 50

(b)

j200

A series-parallel circuit consists of three branches A, Band C in parallel. and branch Din series with parallel combination. The parameters of various branches are Branch A: R = 20, L = 0.0159 H (4 + 6)

Branch B : R= 0.50, C = 0.00318 F Branch C: R

= 10, C = 0.2

,uF

Branch D: R = 0.4 0, L = 2.545 m H, The entire circuit is connected to 200V, 50Hz supply. Calculate (i) Impedance of circuit and (ii) Power consumed in each branch. Or 3

(ECEIEEE-21211)

/

.

(a)

Derive the expression for frequency at which voltage across inductor and capacitor is maximum. (10)

(b)

A.50 n resistor is connected in series with a choke coil and a capacitor of unknown value across a 100 V supply. At resonant frequency of 200 Hz, a maximum current of 0.7 A flows through the circuit and voltage across capacitor is 200 V. Find the circuit constants. (4) UNIT IV

8.

(a)

Derive the transient response of Source driven RL circuit excited by constant voltage (7) source.

(b)

Find the current equation when switch is opened at t

r +

I

;;~

sov

sn

= O.

(7)

~ itt)

.

IOn

O.l,JJFT

Or 9.

(a)

State and prove INITIAL and FINAL value theorems.

(b)

Find the current i(t) in given circuit using Laplace Method if i(O)

(6) = lOA.

(4)

O.SH

(c)

Obtain inverse transform of following functions (i)

(4)

(s + .5) -L-2s+.5)

S(S2

(ii)

(s + 1)

4

(ECEIEEE-21211)

(CIV-21411) B.Tech. DEGREE EXAMINATION, FEBRUARY 2017.

(S upplementary)

Second Year -

First Semester

Civil Engineering

Paper IV -

FLUID MECHANICS

(Regulation 2011-2012)

Time : Three hours

Maximum: 70 marks

Question No.1 compulsory and answer one question each Unit.

1.

(a)

Define absolute pressure and gauge pressure and obtain a relation between both.

(b)

What is meant by surface tension?

(c)

Distinguish between free vortex flow and forced vortex flow.

(d)

What is laminar flow and turbulent flow? Explain.

(e)

What do you mean by water hammer?

(f)

What is a Moody's chart?

(g)

Mention different types of notches. UNIT I

2.

(a)

State and explain Pascal's law with an example.

(b)

The intensity of pressure at a point in a fluid corresponding height of the fluid when the fluid is (i)

Water

(ii)

Oil of sp gr 0.9.

IS

given by a.924 Nzcm''. Find the

Or 3.

(a)

Determine the total pressure and centre of pressure of an isosceles triangular plate of base 4 m and altitude 4 m when it is immersed vertically in an oil of sp.gr 0.9. The base of the plate coincides with the free surface of oil.

(b)

Discuss in detail the condition of equilibrium of a floating and sub-merged bodies with neat sketches. UNIT II

4.

(a)

Discuss in detail the classification of flows with neat sketches.

(b)

An open circular cylinder of them diameter and 100 ern long contains water uptoa height of 80 cm. Find the maximum speed at which the cylinder is to be rotated about its vertical axis so that no water spills. Or

5.

(a)

Define stream function and velocity potential function and write a short notes on flow net and the components contributing flow set.

(b)

Water is flowing through a tapes pipe oflength 100 m having diameters 600 mm at the upper end and 300 mm at the lower end, at the rate of 50 litis. The pipe has a slope of 1 in 30. Find the pressure at the lower end if the pressure at the higher level is 19.26 Nzcm".

UNIT III 6.

(a)

Derive an expression for the discharge of the liquid through a orifice meter..

(b)

A venturimeter with throat diameter of 7.5 em is installed in a 15 em diameter pipe. The pressure at the entrance to the meter is 70 kPa (gauge) and it is desired that the pressure at any point should not fall below 2.5 m of water absolute. Determine the maximum flow rate of water through the meter take Cd = 0.97 and atmospheric pressure is 100 kPa. Or

7.

(a)

The head of water over an orifice of diameter 100 mm is the water coming out from orifice is collected in a circular tank of diameter 1.5 m. The rise of water level in this tank is 1.0 m in 25 seconds. Also the co-ordinates of a point on the jet, measured from Vena-contracta are 4.3 m horizontal and 0.5 m vertical find the coefficients Co, C; and C, .

(b)

Derive an expression for discharge through large Rectangular Orifice.

UNIT IV 8.

(a)

Derive an expression for momentum thickness and energy thickness.

(b)

The head of water over a triangular notch of angle 60° is 50 em and co-efficient of discharge is 0.620. The flow measured by it is to be within an accuracy of 1.5% up or .down. Find the limiting values of the head. Or

9.

(a)

What is meant by boundary layer separation? Discuss the methods of preventing boundary layer separation.

(b)

What are Broad crested weirs? Explain.

UNIT V 10.

(a)

Explain the Prandtl's mixing length theory.

(b)

Determine: (i)

Pressure gradient

(ii)

The shear stress at the two horizontal parallel plates and

(iii) The discharge per metre width for the laminar flow of oil with a maximum velocity of 1.5 mls between two horizontal parallel fixed plates which are 80 mm apart: Take viscosity of oil is 1.962 NS/m 2 . Or 2

(CIV-21411)

11.

(a)

Write a short notes on hydraulic gradient line and total energy line.

(b)

A smooth pipe of diameter 400 mm and length 800 m carries water at the rate of 0.04 m 3/s. Determine the head lost due to friction wall shear stress, centre line velocity and thickness of laminar sub-layer. Take kinematic viscosity of water = 0.018 stokes.

3

(CIV-21411)

UNIT I

(CSE/INF - 21611) B.Tedl. DEGlmE EXAMINN!'TON, FI<;BRUARY 2017.

2.

(a)

(Supplementary)

(b) Second Year -

Fi rst Semester

(Regulation 2011-12) Time: Three hours

(a)

Draw serial and parallel address.

(b)

Or Draw full adder using MUX. UNIT III

Maximum: 70 marks

4.

Answer Question No.1 compulsorily.

(a)

Answer ONE question from each Unit. I.

(a)

Determine the decimal value consigned number (011101] 110h,

(b)

Divide the] 1001-:-101.

(c)

Find 2' s complement of 12.

(d)

What is reflexive code?

(e)

What is a latch?

(1)

What is 7-segement display?

(g)

What is PLA?

of

Or Using h -map method, obtain the sum of product expression of the UNIT II

:1.

DIGITAL LOGIC DESIGN

num

y:= £(0,2;3,6,7,8,10,11,12,15).

Computer Science and I~ngincering/Tnrormation Technology Paper VI -

Explain how negative represented with examples.

(b)

the

Design an entrapping sequence detcci detects a sequence of 110011. Or Explain why lock and presets are sequential circuits. UNIT IV

5.

(a)

Draw MOD-lO counter and explain.

(b)

Or Draw circuit diagram of Thomson's counter and explain.

2

(r.~Ji'IT~TD

(MEC22311)

B.Tech.

DI'~GREE EXAMINATION, FEBl~UARY 20]

7

(Supplementary)

Second Year - Second Semester

Mechanical Engineering

Paper f l l - KINEMATICS OF MACHINERY

(Regulation 2011-2012)

Time: Three hours

Maximum: 70 marks

Answer Question No.1 is compulsory.

Answer ONE question from each unit.

1. .

(a)

Define link.

(b)

Define degrees of freedom.

(c)

What is Hooke's joint?

(d)

Define rubbing velocity.

(e)

Distinguish between analysis and synthesis.

(f)

What is coriolis acceleration?

(g)

What is cam?

(h)

Define simple gear train.

(i)

Define law of gearing.

(j)

What is meant by pitch point in gears?

UNIT III

UNIT I 2.

(a)

What is classifications of kinematics pair?

1.

(a)

Explain.

(b) What is a double Hooke's joint? State the condition to be satisfied in a double Hooke's ratio throughout a revolution.

G.

(a)

UNIT JI

(a)

(b)

Explain Crank and Slotted lever mechanism.

crank

and

the

Explain about comparison of cycloidal and involute tooth forms.

connecting

rod

arc

(l.

(a)

200 mm and 800 mm respectively. Locate all the lccnters of the mechanism for

Derive an expression for rmrumum number of teeth required on gear to avoid interference. UNITV

In a slider crank mechanism, the length of the

What is graphical synthesis of cam profile? Explain.

Or

Or (h)

the

UNIT IV

joint in order to provide a uniform velocity

:l.

for

Or

Or (h)

Derive Froudcnstcin equation synthesis of a 1 bar mechanism.

What an different types of gear trains'? l~xplain them with the help of neat sketches.

the Or

position of the crank when it has turned :WO form the inner dead center. Also find the velocity of the slider and the angular velocity

(b)

Discuss about the tabular methods of gear trains.

and algebric

of the connecti ng rod if the crank rotates at 10 rad/s. 2

(MEC22311)

:3

(MEC22311)

10.

(a)

Explain in detail the various steps involved in powder metallurgy technique with the help of neat sketches.

(b)

Explain about the applications of powder metallurgy.

(MEC 31611) RTech. DEGREE EXAMINATION, FEBRUARY 2017. (Supplementary)

Or 11.

Third Year -

(a)

Explain properties and application of ferrous and non ferrous metals and thin alloys.

(b)

Explain the microstructure, properties and applications of white cast iron and gray cast Iron.

Mechanical Engineering Paper VI -

MATERIAL SCIENCE AND

METALLURGY

(Regulation 2011-12)

Time: Three hours PART A 1.

1,

(MEC 31611)

First Semester

Maximum: 70 marks

(10 x 1 == 10 marks)

Answer the following: (a) What is phase rule? (b) What is coordination number? (c) Effective number of items and packing factor of BCe structure. (d) Point defects in solids. (e) Sintering. (f) Nano materials. (g) What is strain hardening? (h) Annealing. (i) Metal matrix composites. (j) Tempering.

PAHT B ­

(5 x 12

= GO marks)

G.

(a)

martensite

and

bainitic

transformation.

Answer ALL questions. (b) 2.

Explain

What is critical cooling rate? Explain various

(a)

What is classification of crystals? Explain.

factors that influence the critical cooling

(b)

Explain edge dislocation dislocation with neat sketches.

rate?

and

screw

Or Or 7. 3.

4.

(a)

Calculate the packing factor for BCC and HCP structures.

(b)

Explain the differences between fracture and ductile fracture.

(a)

process with the help of neat diagrams. (b)

brittle

(a)

Explain phase rule of one component and two component system.

(b)

Explain partial eutectic system with suitable example.

Explain austempering and mastempering

Discuss about mastempering and harden ability

concept

and

experimental

determina tion. 8.

(a)

Explain in detail the process of precipitation hardening for A 1-4.5 cu alloy.

(b)

Explain

solid

solution

strengthening

of

applications

of

mechanisms. Or Or 5.

(a)

Explain Peritectic and Peritectoid systems.

(b)

Draw a typical equilibrium diagram for two metals completely soluble in solid state and also completely soluble in liquid state. Explain cooling of anyone alloy from the above system. 2

(MEC 31611)

9.

(a)

Explain

properties

and

reinforced composites. (b)

Explain laminar composites matrix composites.

3

and

metal

(MEC 31611)

UNIT IV

5.

(CSE/INF - 32211)

(a)

Explain methods of depth first and breadth first search and its applications.

B.Tech. DEGREE EXAMINATlON, FEBRUARY 2017.

(b)

What is 8-queues problem? Explain in detail.

(Supplementary)

(c) (d)

Or Write an algorithm for generating Hamiltonian cycles. Explain about bi-connected components with an example.

Third Year - Second Semester

Computer Science and Engineering/Information

Technology

Paper II - DESIGN AND ANALYSIS OF

ALGORITHMS

UNIT V 6.

(a)

State and prove Cook's theorem.

(b)

Explain about polynomial polynomial time complexity.

verses

(Regula tion 2011-12) . non­

Time: Three hours

Answer Question No.1 compulsorily.

Or (c)

Explain about Nlt-hard and NP-complete classes.

(d)

Explain about FIFO branch and bound and LC branch and bound.

4

Maximum: 70 marks

(CSEIINF - 32211)

Answer ONE question from each Unit.

1.

(a)

Define quick sort.

(b)

Define merge sort.

(c)

What is the difference between performance analysis and performance measurement of analysis?

(d)

Define minimum spanning tree.

(e)

What is feasible solution?

(f)

What is depth first search?

(g)

What is DFS?

(h)

Define I.C search.

(i)

What is subset paradigm?

(j)

Define branch and bound.

(c)

Explain Prirns method of obtaining the minimum spanning tree using example.

(d)

Write an algorithm for job sequencing problem. Explain with examples.

UNIT I 2.

UNIT III

(a)

What in divided and conquer? Write the maximum and minimum for divide and conquer.

(b)

Write the algorithm for quick sort and explain with example.

(c) (d)

4.

(a)

Explain difference between programming and divide conquer.

dynamic

(b)

Design a three stage system with device types D 1 , D 2 and The cost arc :~O, 15 and

n;

20 respectively. The cost of the system is no more than 10.5. The reliability if each device type is 0.9, 0.8 and 0.5 respectively.

Or Explain and derive the time complexity for stresses m ul tiplica tion. Explain how to analyze the algorithm.

Or UNIT II 3.

(a) (b)

Explain the greedy paradigm examples of exact optimization solution.

(c)

Explain about problem.

(d)

Consider the cost matrix of the given graph

Consider Knapsack instance n ==5,m ==12,(R'P2,P:1,P~,P5) ==(10,15,6,8,4)

(WI,W2,W3,W~,W5) optimal solution.

=

(4,6,3,4,2).

Find the

0 10 15 20] 5 0 9 10

is

[

6

13

0

12

8

8

9

0

pairs

shortest

path

. Find the minim urn cost

path for the travelling sales person problem using dynamic programming.

Or 2

all

(CSE/INF ­ 32211)

3

(CSEIINF ­ 32211)

(CIV41411)

UNITV

10.

A building having pinth area 100m 2 is situated by the side of main load of a city. Its income from the building is Rs. 50,000 the out goings are 25% of the income. Calculate the cap itahzcd value of the building taking the interest rate as 6% per annum.

B.Tech.

()I~GI{I~I'; EXAM

(NATION, FEBRUARY 2017.

(Supplementary)

Fourth Year -

First Semester

Civil Engineering

Or Paper IV 11.

Explain the terms of (a) method of valuation (b) out going (c) methods of estimating cost

QUANTITY SURVEYING AND

ESTIMATION

(Regulation 2011- 12)

depreciation. Time: Three hours

Maximum: 70 marks

Answer Question No.1 is compulsory.

Answer ONE question from each Unit.

1.

(a)

.How many rises and threads for "10" steps?

(b) (c) (d)

How many method of estimating? .Define Excavation. What is wall method?

(e) (f)

What is Contract? What is meant by I).p.e?

(g)

What is RCC works?

(h)

Define rate analysis.

(i)

Define valuation. What is Motgagc?

(j)

4

(CIV41411)

UNIT I ~.

UNIT III

(a)

Explain arch masonry estimate of slips.

calculation

(b)

Explain method of estimating.

and

G.

(a)

Discuss about the purpose and method of writing specifications.

(b)

Explain in detail the specifications for brick work, RCC plastering works.

Or :1.

Discuss estimate of residential building and building from line plan.

Or 7.

(a)

UNIT II 4.

Estimate the cost of earthwork for a portion of road for 400m length from the following datas. Formation width of the load is 10m. Side slopes are 2 : 1 in banking 1 Y2 in cutting.

Station : 25 26 27 28 29 30 1200 Dist.ance (metre): 1000 1040 1080 1120 1160 RL of ground: 51.00 50.90 50.50 50.HO 50.60 50.70 ltL of formation: 52.00 Downward gradient of 1 in 200 Station : 31 32 33 34 35 Distance (metre) : 1240 1280 1320 1360 1400 RL of ground: 51.20 51.40 51.30 51.00 50.60 R.L of formation: Downward gradient of 1 in 200

(b)

1: 2 : 4 ItC.C. work in blanks slabs per one cubic meter.

(ii)

First loss brick work in arches.

Explain preparing the rate of material for the work of plastering, CC moding and white washing.

8.

Explain in detail contract ­ system and list out the conditions of contract.

Or

Explain the estimation of earthwork of road from longitudinal sections in detail.

2

(i)

UNIT IV

Or 5.

Work out the rate analysis for the following items.

(CIV41411)

~}.

Explain in detail various types of estimates (min 4 no.)

3

(CIV41411)

(MEC41611-2) RTech. DEGREE EXAMINATION, FEBRUARY2017. (Supplemeritary) Fourth Year -

First Semester

Mechanical Engineering Paper VI -

REFRIGERATION AND AIR CONDITIONING (Regulation 2011 - 12)

Time : Three hours Note :

Maximum: 70 marks

Answer Part-A and ONE question from each unit in Part-B PART A -

1.

(10

x

1 ~ 10 marks)

(a)

What is the applications of Refrigeration?

(b)

What the various methods of producing refrigeration?

(c)

What is the working principle of vapour compression refrigeration?

(d)

What is Cascade?

(e)

What is theory of mixtures?

(f)

What is the function of rectifier?

(g)

Define room sensible heat factor.

(h)

Write the two drawbacks in the simple vapour absorption cycle.

(i)

Explain the combined heating and humidification process.

(j)

What are the industrial air conditioning requirements? PART B -

(5 x 12

= 60 marks)

UNIT I 2.

(a)

Explain types of ideal cycle of refrigeration in detail.

(b)

In a Bell Coleman refrigeration plant air is drawn into cylinder of compressor at atmospheric pressure of I bar and temperature -7°C and it is compressed adiabatically to 5.5 bar at which pressure it is cooled to 18°C. It is then expanded in an expansion cylinder to atmospheric pressure and discharged into the refrigerating chamber. Find the coefficient of performance of the plant if the expansion is adiabatic. Or

3.

(a)

(b)

An air-refrigerator system operating on Bell-Coleman cycle takes in air from cold room at 268 K and compresses it from 1 bar to 5.5 bar. The index of compression being 1.25. The compressed air is cooled to 300 K. The ambient temperature is 20' C. Air expands in expander where the index of expansion is 1.35. Calculate: (i)

COP of the system

(ii)

Quantity of air circulated per minute for production of 1500 kg of ice per day at O°C from water at 20°C

Represent Reverse Carnot cycle on P-V and T-S chart and label the processes. UNIT II

4.

(a)

Explain the simple vapor compression refrigeration cycle.

(b)

An ammonia ice plants operates between a condenser temperature at 35°C and an

evaporator temperature of -15°C. It produces 10 tones of ice per day from water at 30°C to ice at -5°C. Assume simple saturation cycle. Using only tables of properties for Ammonia, determine: (i)

the capacity of the refrigerant plant

(ii)

the mass flow of refrigerant. Or

5.

(a)

With a neat sketch explain the working of thermostatic expansion valve

(b)

Explain Evaporators-classification and working. UNIT III

6.

(a)

(b)

Write short notes on : (i)

multi evaporator system and

(ii)

cascade system.

Explain compound compression with flash chamber but without intercooler with systems diagram and P-R diagram. Or

7.

(a)

Write the classification of evaporators and explain anyone evaporator with neat sketch.

(b)

Write the advantages and disadvantages of compressors used system.

In

vapour absorption

UNIT IV 8.

(a)

Explain Boot-strap air refrigeration system with neat diagram.

(b)

Write the application of steam jet refrigeration system. Or 2

(MEC41611-2)

9.

(a)

Draw a neat labeled sketch and explain working principle of Vortex tube refrigeration.

(b)

Explain steam jet refrigeration system with neat system diagram and T-S or P-H diagram.

UNIT V 10.

(a)

Explain concept of human comfort and effective temperature in air conditioning.

(b)

A sample of moist air has a dry bulb temperature of 25°C and a relative humidity of 50%. The barometric pressure is 740 mm of Hg. Calculate: (i)

partial pressure of water vapour and dry air

(ii)

dew point temperature and specific humidity of air

(iii)

enthalpy of air/air of dry air.

Or 11.

(a)

Explain different heat pump circuits and write its applications

(b)

Explain comfort air conditioning and industrial air conditioning.

3

(MEC41611-2)

(MEC42211)

B.Tech.

Dl~GREE

EXAMINATION, FEBRUARY 2017.

Supplementary

Fourth Year -Second Semester

Mechanical Engineering

Paper II - MECHATRONICS AND ROBOTICS

(Regulation 2011-12)

Time : Three hours

Maximum: 70 marks

Answer Part A and ONl<~ question from each

Unit of Part B. PART A ­ 1.

(10 x 1 = 10 marks)

(a)

Define sensor.

(b)

What is performance terminology?

(c)

What is data acquisition?

(d)

Define calibration.

(e)

What is transfer function?

(f)

Explain control modes.

(g). Define timers.

(h)

Define automation.

(i)

What is torque sensors?

(j)

Homogenous coordinate system. PART B -

(5 x 12

UNIT IV

8.

= 60 marks)

UNIT I

2.

3,

Or 9.

Explain classification of sensors and selection of sensors.

Or

Draw the types of joints used in robot and explain its applications.

UNIT V 10.

Explain D-H parameters in detail and derive the matrix for forward transformation.

Explain in details the data presentation elements.

Or

UNIT II 11.

4.

Explain various industrial and non-industrial applications of robots in detail.

Explain stages in trajectory planning.

Discuss about pneumatic and hydraulic activation systems and stepper motors.

Or 5.

With the help of neat sketch explain modelling of two degree of freedom mechanical system.

UNIT III 6.

Explain about designing mechatronics system.

Or 7.

Explain data handling with neat sketches. 2

(MEC42211)

3

(MEC42211)

(MEC42311)

B.Tech. J)EGRI~E I'~XAMINATION, FEBRUARY 2017.

(Supplementary)

Fourth Year -

Second Semester

Mechanical Engineering

Paper III- ENERGY ENGINEERING

(Regulation 2011-12)

Time: Three hours

Maximum: 70 marks

Answer Part A and ONE question from each unit of

Part B.

PART A - (5 x 2 = 10 marks)

1.

Answer the following: (a) Types of energy sources (h) Hydrograph (c) Solid waste pollution (d) Solar ponds (e) Solar cell. PART B - (5 x 12 = 60 marks)

UNIT I

2.

(a)

What are the different methods are used to measure the rain fall and what is importance in hydro electric power plants?

(h)

Explain mass curve storage capacity.

Or

and

calculation

of

~l.

(a)

(b)

What are the different methods arc used to measure the rain fall and what is its importance in hydro electric power plants'?

UNIT IY 8.

(a)

Explain the classification of diesel and gas turbine power plants.'

(b)

Explain different pollution.

Explain run off and their measurement.

UNIT II

4.

(a)

Explain general layout of thermal power plant.

(b)

What is the function of cooling tower'? Discuss the merits and demerits.

(a)

Explain ash handling systems and ESP.

(h)

Write the need for a draught in thermal power plants.

s.

(a) (b)

How many Explain.

types

of

nuclear

Explain thermal pollution and solid waste pollution.

(h)

Explain the working of a gas turbine power plant with a neat sketch.

UNITY 10.

(a)

Explain solar collections and solar energy storage.

(b)

Explain the working principle of wind mill with a neat sketch.

reactors'?

Or

Explain load factor, diversity factor and use factor.

Or 7.

control

(a)

•

UNIT TIl

n.

to

Or

Or 5.

methods

(a)

Write a note on fast breeder reactor.

(b)

Explain briefly waste disposal in nuclear power plants. 2

(MEC42311)

11.

(a)

Explain ocean thermal energy conversion systems.

(b)

Explain about the tidal power.

3

(MEC42311)

(CSE/INF42411)

B.Tech.

[)EGIU~E 11~XAMINATlON, FEBRUARY

2017.

(Supplementary) Fourth Year - Second Semester Computer Science and Engineering/Information

Technology

Paper IV -

INDUSTRIAL MANAGEMENT

(Regulation 2011-2(12)

Time: Three hours Maximum: 70 marks Answer question No.1 Compulsory. (2 x 5 = ]0) Answer ONE question from each unit. (5 x 12 = 60) (a) Partner by Estoppel. 1. (b) -Iob specification. (c) Hecruitment. (d) Future worth method. (e) Market Research.

UNIT I

2.

(a)

(i) (ii)

Explain F.W.Taylor's scientific Management. Explain the Management. Or

principles

importance

of (6)

of (6)

(b)

I'~xplain

(i)

the proprietorship.

(ii)

Explain the procedure of establishing a Private Ltd., Company (6)

features

of

(b)

Sole (fi)

(i)

Porform anco IS What Explain its methods.

(ii)

Herzberg's Explain Motivation.

UNIT II

3.

(a)

G.

(a)

(a)

Distinguish- Annual equivalent Vs Present worth Vs future worth method. (12)

Explain different types of procurement (6) methods.

(ii)

EOQ Define importance.

and

explain

its

(G)

Or

Define Depreciation, write the causes for depreciation and briefly explain different methods. (12) Or

(b)

of (6)

(i)

UNITIII 1.

theory

UNIT V

Explain equivalent cash flow method with diagrammatic representation. (12) Or

(b)

Appraisal? (fi)

(i)

Define straight line method depreciation and its advantages

(ii)

Explain the concept of Annuity method of depreciation. (6)

(b)

(i)

I~xplain

the

necessity

of

Market

(G)

Research. (ii)

Explain the Diatribut.ion.

different

channels

of

(G)

of (6)

UNIT IV 5.

(a)

(6)

(i)

Personnel Management Vs HRM.

(ii)

I<:xplain Off the Job Training Methods. (fi) Or

2

(CSEIINF42411)

~~

(CS~/INF42411)